Home / 86,172.59-129,297.32-44,030.48

Finding the Fourth Proportional to 86,172.59, 129,297.32 and 44,030.48

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Solution

The fourth proportional to 86,172.59, 129,297.32 and 44,030.48 is: 66,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172.59 : 129,297.32 = 44,030.48 : x
  2. Step 2: Convert to fraction form
    86,172.59/129,297.32 = 44,030.48/x
  3. Step 3: Cross multiply
    86,172.59x = 129,297.32 × 44,030.48
  4. Step 4: Simplify right side
    86,172.59x = 5,693,023,495.63
  5. Step 5: Solve for x
    x = 5,693,023,495.63/86,172.59
  6. Step 6: Final answer
    x = 66,065.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.